<?php
//000000086400a:1:{i:0;a:4:{s:2:"id";s:1:"1";s:4:"name";s:6:"电脑";s:3:"pid";s:1:"0";s:5:"child";a:1:{i:0;a:3:{s:2:"id";s:1:"2";s:4:"name";s:6:"键盘";s:3:"pid";s:1:"1";}}}}
?>